Vulnerability Details : CVE-2020-4099
The application was signed using a key length less than or equal to 1024 bits, making it potentially vulnerable to forged digital signatures. An attacker could forge the same digital signature of the app after maliciously modifying the app.
Products affected by CVE-2020-4099
- cpe:2.3:a:hcltech:verse:*:*:*:*:*:android:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-4099
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 20 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-4099
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
2.2
|
3.6
|
HCL Software |
CWE ids for CVE-2020-4099
-
The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.Assigned by:
- nvd@nist.gov (Primary)
- psirt@hcl.com (Secondary)
References for CVE-2020-4099
-
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0100861
Security Bulletin: HCL Verse for Android is susceptible to an APK signing key check vulnerability (CVE-2020-4099)Vendor Advisory
Jump to